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两种维生素 D(VD)的来源适用于人类,经阳光照射皮肤合成的VD是较比重要的来源,其次是饮食中摄入的VD。人类除在阳光缺乏的情况下,对于VD无需特殊的饮食需要。推荐VD的日饮食最低量为10μg(40IU)(Report on health
The sources of both vitamin D (VD) are suitable for humans, and VD synthesized by sun-exposed skin is a more important source than the VD taken in the diet. Apart from the lack of sunlight in humans, there is no special dietary requirement for VD. Recommended VD daily diet minimum 10μg (40IU) (Report on health